//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2019 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//

use failure::Fallible as Result;
use uuid::Uuid;
use url::Url;

use libimagstore::store::Store;
use libimagstore::storeid::StoreId;
use libimagstore::store::FileLockEntry;
use libimagstore::iter::Entries;
use libimagentryurl::link::Link;


pub trait BookmarkStore {

    fn add_bookmark<'a>(&'a self, url: Url) -> Result<(Uuid, FileLockEntry<'a>)>;

    fn get_bookmark_by_uuid<'a>(&'a self, uuid: &Uuid) -> Result<Option<FileLockEntry<'a>>>;

    fn remove_bookmark_by_uuid(&self, uuid: &Uuid) -> Result<()>;

    fn all_bookmarks<'a>(&'a self) -> Result<Entries<'a>>;

}

impl BookmarkStore for Store {
    fn add_bookmark<'a>(&'a self, url: Url) -> Result<(Uuid, FileLockEntry<'a>)> {
        let uuid = uuid::Uuid::new_v4();
        id_for_uuid(&uuid)
            .and_then(|id| self.create(id))
            .and_then(|mut entry| entry.set_url(url).map(|_| (uuid, entry)))
    }

    fn get_bookmark_by_uuid<'a>(&'a self, uuid: &Uuid) -> Result<Option<FileLockEntry<'a>>> {
        id_for_uuid(uuid).and_then(|id| self.get(id))
    }

    fn remove_bookmark_by_uuid(&self, uuid: &Uuid) -> Result<()> {
        id_for_uuid(uuid).and_then(|id| self.delete(id))
    }

    fn all_bookmarks<'a>(&'a self) -> Result<Entries<'a>> {
        self.entries()?.in_collection("bookmark")
    }
}

fn id_for_uuid(uuid: &Uuid) -> Result<StoreId> {
    crate::module_path::new_id(uuid.to_hyphenated().encode_lower(&mut Uuid::encode_buffer()))
}